{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EAELWQJASYSAIWFPX7BDD2URCN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fba58b63293eae9b91f49a5608c9f3e53ea0547515da62e626742daeeacbbe73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-27T19:16:58Z","title_canon_sha256":"a95c298dac0f801339ba0fb98b63dc13b9bf57e88787b114b6d398e1282a2647"},"schema_version":"1.0","source":{"id":"1604.08186","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.08186","created_at":"2026-05-18T01:09:39Z"},{"alias_kind":"arxiv_version","alias_value":"1604.08186v2","created_at":"2026-05-18T01:09:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.08186","created_at":"2026-05-18T01:09:39Z"},{"alias_kind":"pith_short_12","alias_value":"EAELWQJASYSA","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EAELWQJASYSAIWFP","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EAELWQJA","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:f47032bdba6dc8581b4930cdd09a124d806acd02dc73b6f2825a24fef181ad88","target":"graph","created_at":"2026-05-18T01:09:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We created epitaxial magnetic tunnel junctions of FeCo/MgO/EuS on MgO buffered Si (100). Tunnel magnetoresistance reached up to 64% at 4.2 K. An unexpected fast drop of magnetoresistance was recorded for MgO thickness above 1 nm, which is attributed to the forced nonspecular conductance across the EuS conduction band minimum located at the X point, rather than the desired Delta_1 conductance centered around the Gamma point.","authors_text":"Fen Liu, Guo-Xing Miao, Qian Xue, Yihang Yang, Zhiwei Gao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-27T19:16:58Z","title":"Spin- and Symmetry-Filtering Combined Tunnel Magnetoresistance through Epitaxial MgO/EuS Tunnel Barriers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.08186","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:0dd0f2ea05f97b152f8d126c8d5c2410dbeaf92185ef2f52ee1d1ffe861ad06a","target":"record","created_at":"2026-05-18T01:09:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fba58b63293eae9b91f49a5608c9f3e53ea0547515da62e626742daeeacbbe73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-27T19:16:58Z","title_canon_sha256":"a95c298dac0f801339ba0fb98b63dc13b9bf57e88787b114b6d398e1282a2647"},"schema_version":"1.0","source":{"id":"1604.08186","kind":"arxiv","version":2}},"canonical_sha256":"2008bb412096240458afbfc231ea91135dcafacf1914fa987bd4b935e5a5b05e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2008bb412096240458afbfc231ea91135dcafacf1914fa987bd4b935e5a5b05e","first_computed_at":"2026-05-18T01:09:39.865011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:39.865011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fqdn9S3VZLg28eHn0zhzDzg7Dfo8LYUvHJtwWOIMUk3f8RkjPPVmmTTsB17lZRq+mrVKwLjZNrgYHDPtBwKxAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:39.865453Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.08186","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0dd0f2ea05f97b152f8d126c8d5c2410dbeaf92185ef2f52ee1d1ffe861ad06a","sha256:f47032bdba6dc8581b4930cdd09a124d806acd02dc73b6f2825a24fef181ad88"],"state_sha256":"b4a2e3f61c5ac308fd0beb45fc4126a6dae2d4d9eba16746342c8c25c1cc559c"}